diff --git a/src/platform/python/mgba/core.py b/src/platform/python/mgba/core.py
index 1399b1ad6..7a0672322 100644
--- a/src/platform/python/mgba/core.py
+++ b/src/platform/python/mgba/core.py
@@ -226,7 +226,7 @@ class Core(object):
         self._core.setVideoBuffer(self._core, image.buffer, image.stride)
 
     @protected
-    def set_audio_buffer_size(self, size)
+    def set_audio_buffer_size(self, size):
         self._core.setAudioBufferSize(self._core, size)
 
     @property